Home / 856,370.97-1,181,488.95-511,967.88

Finding the Fourth Proportional to 856,370.97, 1,181,488.95 and 511,967.88

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Solution

The fourth proportional to 856,370.97, 1,181,488.95 and 511,967.88 is: 706,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,370.97 : 1,181,488.95 = 511,967.88 : x
  2. Step 2: Convert to fraction form
    856,370.97/1,181,488.95 = 511,967.88/x
  3. Step 3: Cross multiply
    856,370.97x = 1,181,488.95 × 511,967.88
  4. Step 4: Simplify right side
    856,370.97x = 604,884,392,974.93
  5. Step 5: Solve for x
    x = 604,884,392,974.93/856,370.97
  6. Step 6: Final answer
    x = 706,334.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.